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Smart Energy Management for Marine and Off Grid


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  • 3kW DC-DC Energy Management System


    • Charge higher voltage batteries utilizing existing chassis electrical system.
    • On demand supplemental chassis electrical system power to support surge loads without
    cost of additional batteries.
    • Replace existing chassis alternator with higher energy unit and transparently support legacy
    chassis power bus.
    • J1939/RV-C based CAN support for system and BMS integration.
    • Compatible with additional WS500 controlled alternators installed in same system

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  • Tyco EV200ADANA BMS Contactor 48VDC


    Typical EV200 applications include battery switching and back-up, DC voltage power control, circuit protection and safety (36-95V coil)

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  • Tyco EV200AAANA BMS Contactor 12-24VDC


    Typical EV200 applications include battery switching and back-up, DC voltage power control, circuit protection and safety.  (9-36V Coil voltage)

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  • REC WS500 Current Shunt 500/50


    This shunt works well with the WS500 and REC BMS’s to provide either battery or alternator current flow feedback.

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  • NMEA 2000 Wi-Fi Router YDNR-02N


    Yacht Devices is pleased to present the most anticipated product of the season: NMEA 2000 Wi-Fi Router YDNR-02N, equipped with one NMEA 2000, two NMEA 0183, and one SeaTalk ports and Wi-Fi. It combines the best features of our NMEA 2000 Wi-Fi Gateway and NMEA 0183 Wi-Fi Router.

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  • NMEA 0183 Multiplexer YDNM-02


    Smart multiplexer with five NMEA 0183 ports and one SeaTalk port, auto detection of port speed and easy configuration with a click of a button! And, of course, it has flexible filters, routing rules, and supports firmware updates.

    The underlying idea was to create simplest multiplexer in the world. In our lab, the project was called “Simple Multiplexer”, but later we added a lot of features and removed the word “Simple”. Nonetheless, we are sure that it is still the easiest to install. Instead of a laptop and software, you’ll only need a paperclip.

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  • WS500 Smart Regulator

    From: $479.95

    Bonus !! Buy One and get the WS500 configuration Tool Free, a $ 24.95 value!

    Buy two and get the Pro version Free,

    a $ 149.95 value!

    And if you build it as a kit you save 10% on all accessories !! 

    (versus ordering items individually)

    The WS500 is a next generation Smart Regulator for Marine, Off-grid and RV applications. It is ideally suited to the latest in battery technology and includes CANBus and NMEA2k communications to integrate into an overall Energy Management Network.  Select your Wiring harness based on whether you need positive or negative type alternator excitation.  You WILL need either a Positive or Negative Wiring Harness.  Make sure you include it when you buy.  You may also wish to include a battery temperature sensor wiring harness.  This is optional but is strongly recommended, especially in “Battery Centric” configurations where the WS500 can reduce its output when your battery starts to warm up.

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  • NMEA 2000 Bridge YDNB-07


    Unifies two physical NMEA 2000 networks into a single logical network, smoothly exchanging messages between them. The Bridge also support filtering and processing of transmitted messages and contains a built-in compiler of a simple programming language. You can create message processing programs on any device with a MicroSD socket and a text editor. One of the CAN-interfaces on the device has high-voltage galvanic isolation and can operate at a higher supply voltage.

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  • Text Display YDTD-20


    Instrument display for NMEA 2000 networks. It shows the vessel’s position, course and speed, wind and weather data, water depth, log and trip distance, engine revolutions, batteries voltage, etc. With other firmware, you can monitor up to four engines and transmissions, temperature in the exhaust system, the vessel’s trim tabs, four batteries, four diesel and four gasoline tanks and three fresh water and three black water tanks. Typical power consumption is 20 mA only.

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  • Exhaust Gas Sensor YDGS-01


    The Sensor measures the temperature of extremely hot gases, solids and liquids within the range from 0 to +800 °C (+32 to 1472 °F). The Sensor can be configured by the user to display data as “Exhaust gas temperature”, “Air temperature”, “Heating system temperature”, “Engine room temperature”, etc. The Device is plug and play; you only need to plug it into a NMEA 2000 backbone to get readings on all chart plotters.

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  • Thermometer YDTC-13


    The Thermometer performs measurements within the range from -55 to +125°C (-67..+257°F), the sensor is placed outside the case on a flexible, 95cm wire in a sealed stainless steel sleeve and can be used to measure the temperature of gases or liquids. If necessary, the wire can be elongated up to 100 meters. The Thermometer can be configured by the user to display data as “Air temperature”, “Sea temperature”, “Temperature in the refrigerator”, “Temperature in the engine room”, “Bait Well Temperature”, etc.

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  • Barometer YDBC-05


    The Barometer is intended for measuring atmospheric pressure within the range from 300 to 1100 hPa (mbar). The sensor is located inside the device case. Many chartplotters and digital navigation instruments are able to display data on pressure in the form of graphs or show a trend indicator; this allows tracking of trends in the weather change. The Device dimensions, including the connector, are 54x20x20mm, the mass is only 11 grams, so it is suitable for racing yachts. Pressure data output resolution 0.01 hPa (mbar), absolute measurement accuracy is ±1 hPa, relative measurement accuracy is ±0.12 hPa.

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